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. 2022 Dec 7;148(3):1149–1162. doi: 10.1007/s10973-022-11721-w

Table 3.

Physical properties of the alternative refrigerants

Refrigerant Chemical name Molecular weight/kg mol−1 ODP GWP100-yr (CO2-eq) ASHRAE safety group NBP(°C)
R1234yf 2,3,3,3-tetrafluoropropene 114.04 0  < 1 A2L  − 29.45
R170 Ethane 30.07 0 5.5 A3  − 88.58
R14 Tetrafluoromethane 88.01 0 6630 A1  − 128.05